perf cs-etm: Fix wrong return values in error path
authorMathieu Poirier <mathieu.poirier@linaro.org>
Tue, 12 Feb 2019 17:16:08 +0000 (10:16 -0700)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 14 Feb 2019 18:18:06 +0000 (15:18 -0300)
commitd3267ad43dd8b3778f9b3deb9a3946c844bdc9dc
treeba5a24e586a02ada23cae337a8dbd18a29ff6a4d
parentfc7ac4138cf5ab76850bca2b9a8f43449c762a37
perf cs-etm: Fix wrong return values in error path

Function cs_etm__mem_access() is supposed to return a u32 but the error
path returns negative values at a couple of places, something that really
throws off the clients using it.  Fix the situation by return '0'.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki K Poulouse <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20190212171618.25355-4-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/cs-etm.c